Q.

The standard reduction potential values of  Mg,Al,Zn and Ni are respectively -2.34V,-1.67V,-0.76V and -0.25V. Identify correct statement among the following?

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a

MgSO4 solution can't be stored in Al vessel

b

Al2(SO4)3 solution can be stored in Mg vessel

c

ZnSO4 solution can't be stored in Ni vessel

d

MgSO4 solution can be stored in Zn vessel

answer is D.

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Detailed Solution

Any salt solution can be stored in any vessel provided the vessel is made with metal of higher reduction potential.

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The standard reduction potential values of  Mg,Al,Zn and Ni are respectively -2.34V,-1.67V,-0.76V and -0.25V. Identify correct statement among the following?